From: damian fauth <dfauth_at_users.sourceforge.net>
Date: Wed, 24 Sep 2003 23:42:46 +1000

Hi,

I am looking at JAXB as a possible solution for a customer's application
that involves an exchange of XML documents - potentially very large
documents with several ten of thousands of repeating complex types - one
such example is 44 Mbytes in size!

Does anyone have any metrics or even a feel for how JAXB reference
implementation performs for documents of this size? For example the size
of the resulting unmarshalled document, how much temporary object
allocation is done during unmarshalling and validation. My customer is
suggesting that they want to scale the application beyond these sorts of
sizes and my feeling is that the JAXB model of absorbing SAX events to
produce a single unmarshalled object will not scale well for documents
of this size and that a more event-based approach is required.

Any comments or experiences to share or suggestions of where else to
look?

Thanks in advance,

Damian

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